{"batchcode": "EK0142", "histograms": [{"histogram": {"Chills": 1, "Influenza like illness": 1, "Injection site pruritus": 1, "Myalgia": 1, "Pruritus": 1, "Pyrexia": 1, "Urticaria": 1}, "batchcodes": ["EK0142"]}]}